Providers of research and development services engage in original investigation to gain new knowledge (research) and/or the application of research findings for the creation of new or significantly improved products or processes (development).

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Company provides testing or related services at an unlisted or specialized level or form factor.

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An impact or drop test involves dropping a loaded container to determine its resistance to rupture and leakage, or to assess its ability to protect the contents from damage. This includes any test method where the package is dropped in a specified manner a specific number of times, or until the package fails from impact.

Stress screening or highly accelerated stress screening (HASS) uses vibration or dynamic and thermal stress limits to quickly verify the suitability of production products or components. The results from HALT testing are used to set test limits for production screening or HASS tests. The knowledge the operating and destruct (where possible) limits from HALT testing allow higher climatic and mechanical stimuli resulting in shorter test times in HASS.

Companies offer vibration analysis or testing services. Vibration testing may include bounce, sine, or random vibration testing services. Bounce tests are often used to simulate certain transportation conditions. Vibration analysis is used to detect and assess the condition of product, rotary machines, and other equipment.

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Accelerated testing and screening includes highly accelerated life testing (HALT) and highly accelerated stress screening (HASS). The results from HALT testing are used to set test limits for production screening or HASS tests. The operating and/or destruct limits derived from HALT testing allows the use of higher climatic and mechanical stimuli, resulting in shorter test times in HASS compared to conventional stress testing. HALT is a process developed to uncover design defects and weaknesses in electronic and mechanical assemblies using vibration testing, combined with rapid high and low temperature changes. HALT addresses reliability issues at an early stage in product development, offering significant advantages over traditional techniques.

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End user electrical utilization equipment is defined as electrical equipment, which is or can be connected to the AC electrical power distribution system. The interface between electrical utilization equipment and the AC power distribution system is defined as the electrical connection point--switchboard, electrical panel board, or wall outlet--between the two.

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